/* long double square root in software floating-point emulation. Copyright (C) 1997-2020 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson (rth@cygnus.com) and Jakub Jelinek (jj@ultra.linux.cz). The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library. If not, see . */ #include #include #include long double __ieee754_sqrtl (const long double a) { FP_DECL_EX; FP_DECL_Q(A); FP_DECL_Q(C); long double c; FP_INIT_ROUNDMODE; FP_UNPACK_Q(A, a); FP_SQRT_Q(C, A); FP_PACK_Q(c, C); FP_HANDLE_EXCEPTIONS; return c; } strong_alias (__ieee754_sqrtl, __sqrtl_finite)